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Calcium Complex

product on market Capsule Nature's Way Safety: 97/100
97/100

This product looks safe

  • Folate: 166mg is 166.0× the Tolerable Upper Intake Level (1.0mg)
  • 54% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin D3 and K are supported by strong evidence for promoting calcium absorption and bone health. Vitamin B6 and folate contribute to metabolic functions and cellular health. Overall, these ingredients have a well-established safety profile for general supplementation.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Folate: 166mg is 166.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Calcium Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
33
Servings
Botanical with Nutrients
Product Type
54%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Total Carbohydrate
1 mg (1% DV)
2.5 mcg (13% DV)
Within RDA (0.2× RDA) 608 studies (A:16, B:251)
37.5 mcg (31% DV)
Within RDA (0.3× RDA) 275 studies (A:9, B:175)
12.5 mg (735% DV)
9.6× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
166 mcg DFE (42% DV)
Exceeds UL by 166.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
Calcium
500 mg (38% DV)
249 mg (59% DV)
Within RDA (0.6× RDA) 316 studies (A:8, B:159)
5 mg (45% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
0.5 mg (56% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
2.5 mg (109% DV)
1.1× RDA — within safe limits 9 studies — no high-quality reviews
2.5 mg (109% DV)
1.1× RDA — within safe limits 9 studies — no high-quality reviews
Horsetail Grass
12.6 mg
1.5 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews

Other Ingredients

Gelatin Cellulose Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommendation: Adults take 3 capsules twice daily, preferably with food.

Warnings & Precautions

Do not exceed recommended dose.

Warning: Do not take if you are pregnant or nursing. If you have a bleeding disorder, or if you are taking Coumadin (warfarin) or any other medication, consult a healthcare professional before use.

Keep out of reach of children.

Safety sealed with inner seal. Do not use if seal is broken or missing.

Formulation Notes

Advanced Bone Formula

Calcium Complex helps maintain normal bone density and development. It includes synergistic key minerals and trace elements for bone support. Our Calcium Complex is carefully tested and produced to superior quality standards.

11-Part Blend

Gluten Free. No yeast-derived ingredients, wheat, soy, dairy, or artificial colors, flavors, or preservatives.

Additional Information

Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

Questions? 1-800-9NATURE / naturesway.com Bottles made from 97% post-consumer recycled plastic

Quality Global Sourcing Bottled & Tested in the USA

Metadata

Product Details

UPC / SKU0 33674 41210 7
DSLD Entry Date2023-06-22
Product TypeBotanical with Nutrients
FormCapsule
BrandNature's Way
DSLD ID293261
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Electrolytes →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.